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sacrificial by design to protect your more expensive controller or thermostat
facilitating immediate ignition sequences
The shell is designed to accept standard 48-cubic-inch replaceable cores
it is designed exclusively for HVACR fluid and gas control
Lennox 14A44 Pressure Switch 320074-702 sacrificial by design to protectThe Lennox 14A44 Pressure Switch is a critical safety component designed specifically for two stage high efficiency gas furnaces. Operating as a dual stage pressure switch, it is factory calibrated to trip points of 0. 60" WC and 0. 35" WC, ensuring precise monitoring of the combustion air inducer blower. This HVAC draft inducer switch validates correct venting pressure before allowing the ignition sequence to proceed, protecting the system from
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